Musk posted a video of the tunnel to his Instagram page Thursday night with the caption, “First Boring Company tunnel under LA almost done! Pending final regulatory approvals, we will be offering free rides to the public in a few months.”

“Super huge thanks to everyone that helped with this project,” he continued. “Strong support from public, elected officials & regulators is critical to success.”

The tunnel is set to run 2.7 miles through West LA, starting at Pico Boulevard and ending at Washington Boulevard in Culver City with no stations in between to avoid “major utility lines and other underground hazards that can slow or complicate construction.”

“Once fully operational (demo system rides will be free),” Musk explained in his Instagram post, “the system will always give priority to pods for pedestrians & cyclists for less than the cost of a bus ticket.”

While cars will be able to exit roads and enter the tunnel via a platform that will descend underground “like an elevator,” cyclists and pedestrians will board onto “pods,” or capsules that can hold up to sixteen people at a time, which will transport non-vehicle commuters from the tunnels entry to its end.

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Musk started the underground tunnel project with a specific goal in mind: to combat LAs horrific traffic problem. An environmental review exemption was approved unanimously by the LA City Councils public works committee in April; construction of the tunnel by Boring Co. has since been very efficient.

Just over a year ago, Musk tweeted, “Traffic is driving me nuts. Am going to build a tunnel boring machine and just start digging.”